Kristof contributed some ideas on the future of EU enlargment. Other participants included Florian Bieber of the University of Graz, Milica Delevic from the EBRD, Nikola Dimitrov of The Hague Institute for Global Justice, Stefan Lehne of Carnegie Europe, Antonio Missiroli of the EU-ISS, Ivan Vejvodaof the German Marshall Fund of the United States and former Director in DG Enlargement of the EC Pierre Mirel.